package lessons;


public class VNode {
	public Object data;

	public ArcNode firstArc;

	public VNode() {
		this(null, null);
	}
	public VNode(Object data) {
		this(data, null);
	}
	public VNode(Object data, ArcNode firstArc) {
		this.data = data;
		this.firstArc = firstArc;
	}


}
